Use wxPanel as controls parent in wrapsizer sample.

Follow our own advice about never creating controls directly on the frame and
using an intermediate wxPanel in our own sample. This is better style and
makes it look better under Windows.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65239 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/samples/wrapsizer/wrapsizer.cpp b/samples/wrapsizer/wrapsizer.cpp
index b65694e3b98eaa17b37fd793e277bc9cd356881d..86d95a25f628b1c644520932bc8788f24f9c0a45 100644 (file)
--- a/samples/wrapsizer/wrapsizer.cpp
+++ b/samples/wrapsizer/wrapsizer.cpp
@@ -52,7 +52,7 @@ private:
 
     wxToolBar *MakeToolBar()
     {
-        wxToolBar *tb = new wxToolBar(this, wxID_ANY,
+        wxToolBar *tb = new wxToolBar(m_panel, wxID_ANY,
                                       wxDefaultPosition, wxDefaultSize,
                                       wxTB_NODIVIDER);
         AddToolBarButton(tb, "Help", wxART_HELP_BOOK);
@@ -65,6 +65,8 @@ private:
         tb->Realize( );
         return tb;
     }
+
+    wxPanel *m_panel;
 };
 
 class WrapSizerApp : public wxApp
@@ -91,6 +93,8 @@ WrapSizerFrame::WrapSizerFrame()
 {
     SetIcon(wxICON(sample));
 
+    m_panel = new wxPanel(this);
+
     // Root sizer, vertical
     wxSizer * const sizerRoot = new wxBoxSizer(wxVERTICAL);
 
@@ -104,14 +108,14 @@ WrapSizerFrame::WrapSizerFrame()
     sizerRoot->Add(sizerTop, wxSizerFlags().Expand().Border());
 
     // A number of checkboxes inside a wrap sizer
-    wxSizer *sizerMid = new wxStaticBoxSizer(wxVERTICAL, this,
+    wxSizer *sizerMid = new wxStaticBoxSizer(wxVERTICAL, m_panel,
                                                 "With check-boxes");
     wxSizer * const sizerMidWrap = new wxWrapSizer(wxHORIZONTAL);
     for ( int nCheck = 0; nCheck < 6; nCheck++ )
     {
         wxCheckBox *chk = new wxCheckBox
                                 (
-                                this,
+                                m_panel,
                                 wxID_ANY,
                                 wxString::Format("Option %d", nCheck)
                                 );
@@ -124,28 +128,28 @@ WrapSizerFrame::WrapSizerFrame()
 
 
     // A shaped item inside a box sizer
-    wxSizer *sizerBottom = new wxStaticBoxSizer(wxVERTICAL, this,
+    wxSizer *sizerBottom = new wxStaticBoxSizer(wxVERTICAL, m_panel,
                                                 "With wxSHAPED item");
     wxSizer *sizerBottomBox = new wxBoxSizer(wxHORIZONTAL);
     sizerBottom->Add(sizerBottomBox, wxSizerFlags(100).Expand());
 
-    sizerBottomBox->Add(new wxListBox(this, wxID_ANY,
+    sizerBottomBox->Add(new wxListBox(m_panel, wxID_ANY,
                                         wxPoint(0, 0), wxSize(70, 70)),
                         wxSizerFlags().Expand().Shaped());
     sizerBottomBox->AddSpacer(10);
-    sizerBottomBox->Add(new wxCheckBox(this, wxID_ANY,
+    sizerBottomBox->Add(new wxCheckBox(m_panel, wxID_ANY,
                                         "A much longer option..."),
                         wxSizerFlags(100).Border());
     sizerRoot->Add(sizerBottom, wxSizerFlags(100).Expand().Border());
 
     // OK Button
-    sizerRoot->Add(new wxButton(this, wxID_OK),
+    sizerRoot->Add(new wxButton(m_panel, wxID_OK),
                     wxSizerFlags().Centre().DoubleBorder());
     Connect(wxID_OK, wxEVT_COMMAND_BUTTON_CLICKED,
                 wxCommandEventHandler(WrapSizerFrame::OnButton));
 
-    // Set sizer for window
-    SetSizerAndFit(sizerRoot);
+    // Set sizer for the panel
+    m_panel->SetSizer(sizerRoot);
 
     Show();
 }